Engine Stalls - Fiat 850 Sedan 1968 Shop Manual

14
Engine Stalls.
POSSIBLE CAUSES
1) Idling speed too low.
2) Fuel mixture too lean or too rich.
3) Needle valve in carburetor stuck.
FIAT - 850 PASSENGER CARS
REMEDIES
1) Increase throttle opening slightly and adjust mixture rating
as recommended under ( Carburetor».
2) Adjust mixture rating as recommended under« Carburetor ».
3) Rebuild as recommended under« Carburetor)).
4) Incorrect fuel level In carburetor bowl.
5) Carburetor flooding.
6) Dirt
or water in
fuel line or carburetor.
1) Loose or corroded battery terminals.
8) Loose ignition cables from coil to distributor and
from distributor to spark plugs.
9) Loose ignition switch connections.
10) Spark plugs dirty, damp or gaps set too wide.
11) Distributor breaker contact points dirty, oxidized
or pitted or point gap set too wide.
12) Distributor rotor contact worn.
13) Inoperative automatic centrifugal advance.
14) Defective coil or condenser.
15) Exhaust system restricted.
16) Incorrect valve tappet clearance, as adjusting
screws have become loose from poor tightening.
17) Engine overheating.
4) Check and adjust fuel level.
5) Proceed as recommended under {( Carburetor)).
6) Remove and throughly dean carburetor; If trouble recurs,
flush and blow fuel tank and lines.
7) Clean terminals and tighten nuts as recommended under
« Battery)). Replace cables and terminal clamps If they
are too much worn.
8) Examine and reset circuit.
9) Examine and reset circuit.
10) Clean spark plugs and set gap as recommended under
{( Spark Plugs
»).
tt) Clean contacts and adjust point gap as recommended
under
«
Ignition Distributor ».
12) Replace distributor rotor.
13) Rebuild ignition distributor as recommended In covering
chapter.
14) Inspect and replace both of them, if necessary.
15) Thoroughly clean exhaust silencer, exhaust piping and
manifold.
16) Adjust tappet clearance as recommended under (( Valve
Mechanism n.
17) Check water level in expansion tank, fan and water pump
drive belt tension, water pump and thermostat operation,
and overhaul as required.